feat(12): adding thymeleaf lib and template resp

12-order-summary-component-thymeleaf/build.sbt

@@ -15,6 +15,7 @@ lazy val root = (project in file("."))
     libraryDependencies += (toolkitTest % Test),
     libraryDependencies ++= Seq(
       "com.lihaoyi" %% "cask" % "0.9.1",
-      "com.lihaoyi" %% "mainargs" % "0.5.0"
+      "com.lihaoyi" %% "mainargs" % "0.5.0",
+      "org.thymeleaf" % "thymeleaf" % "3.1.1.RELEASE"
     )
   )

12-order-summary-component-thymeleaf/src/main/resources/templates/basic-template.html

@@ -0,0 +1 @@
+<p>Hello, <span th:text="${name}">Name</span>!</p>

12-order-summary-component-thymeleaf/src/main/scala/example/Main.scala

@@ -1,3 +1,6 @@
+//> using dep com.lihaoyi::cask:0.9.1
+//> using dep com.lihaoyi::mainargs:0.5.0
+//> using dep org.thymeleaf:thymeleaf:3.1.1.RELEASE
 package example
 
 import mainargs.{main, arg, ParserForMethods}
@@ -12,9 +15,53 @@ object Main {
       portArg: Int = 8080,
       @arg(name = "host", doc = "Host on which server will start serving.")
       hostArg: String = "localhost"
-  ): Unit =
+  ): Unit = {
     println(s"Will start server on ${hostArg}:${portArg}")
+    val server = new cask.Main {
+      override val allRoutes = Seq(AppRoutes())
+      override def port = portArg
+      override def host = hostArg
+    }
+    server.main(Array.empty)
+
+  }
 
   def main(args: Array[String]): Unit = ParserForMethods(this).runOrExit(args)
 
+  case class AppRoutes()(implicit cc: castor.Context, log: cask.Logger)
+      extends cask.Routes {
+    @cask.get("/")
+    def index() = {
+      import org.thymeleaf.context.Context
+      import org.thymeleaf.templateresolver.ClassLoaderTemplateResolver
+      import org.thymeleaf.TemplateEngine
+
+      val templateResolver = new ClassLoaderTemplateResolver()
+      templateResolver.setPrefix("templates/");
+      templateResolver.setSuffix(".html")
+      templateResolver.setTemplateMode("HTML5")
+
+      val templateEngine = new TemplateEngine()
+      templateEngine.setTemplateResolver(templateResolver)
+
+      val a = 11234
+      val context = new Context()
+      context.setVariable("name", s"Johny $a")
+
+      val result = templateEngine.process("basic-template", context)
+
+      cask.Response(
+        result,
+        headers = Seq("Content-Type" -> "text/html;charset=UTF-8")
+      )
+    }
+
+    @cask.staticFiles("/dist") // this is what path gets matched
+    def distFiles() = "dist"
+
+    @cask.staticFiles("/public") // this is what path gets matched
+    def publicFiles() = "public"
+
+    initialize()
+  }
 }